* {
    margin: 0;
    padding: 0;
}

ul li {
    list-style: none;
}

a {
    text-decoration: none;
    color: rgb(68, 176, 151);
}

header {
    width: 100%;
    background-color: rgb(243, 243, 243);
    margin-bottom: 25px;
}

header div {
    width: 1000px;
    margin: 0 auto;
    padding: 10px 0;
    position: relative;
}

header div span {
    padding-left: 5px;
    border-left: 4px solid rgb(68, 176, 151);
    color: gray;
    font-size: 12px;
}

main {
    width: 960px;
    margin: 0 auto;
}

/* 第一栏 */
.content1 {
    width: 100%;
    height: 130px;
    display: flex;
    justify-content: space-between;
}

.content1>div {
    width: 220px;
    height: 100px;
    border: 1px solid gray;
}

.content1>div>img {
    display: inline-block;
    height: auto;
    max-width: 100%;
}

/* 第二栏 */
.content2 {
    width: 100%;
    height: 200px;
    border: 1px solid gray;
    margin-bottom: 20px;
}

.content2>p {
    background-color: rgb(243, 243, 243);
    width: 100%;
    padding: 10px 0 10px 15px;
    box-sizing: border-box;
    border-bottom: 1px solid gray;
}

.content2>p>span {
    font-size: 13px;
}

.content2>div {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    color: rgb(153, 153, 153);
}

.content2>div>div {
    width: 110px;
    height: 100px;
    border: 1px solid gray;
    text-align: center;
}

.content2>div>div:hover {
    color: rgb(68, 176, 151);
    cursor: pointer;
}

.content2>div>div>p:first-child {
    margin-top: 25px;
}

.iconfont {
    font-size: 36px !important;
}

/* 第三栏 */
.content3 {
    width: 100%;
    height: 200px;
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 15px;
}

.content3>div {
    width: 460px;
    height: 100%;
    border: 1px solid gray;
}

.content3>div>p {
    background-color: rgb(243, 243, 243);
    width: 100%;
    padding: 10px 0 10px 15px;
    box-sizing: border-box;
    position: relative;

}

.content3>div>p>a {
    color: rgb(68, 176, 151);
}

.content3>div>p>span:last-child {
    position: absolute;
    right: 15px;
}

.content3>div>div {
    height: 130px;
    width: 420px;
    padding: 15px 20px;
}

.content3>div>div>ul {
    width: 100%;
    height: 100%;
}

.content3 li {
    width: 400px;
    height: 40px;
    border-bottom: 1px solid gray;
    text-indent: 20px;
    line-height: 50px;
    margin: 0 auto;
}

.content3 li>span>a {
    color: black;
}

.content3 li>span>a:hover {
    color: rgb(68, 176, 151);
    cursor: pointer;
}




.content4 {
    width: 100%;
    background-color: rgb(243, 243, 243);
    padding: 15px 0 15px 15px;
    box-sizing: border-box;
    font-size: 13px;
}

.content5 {
    width: 960px;
    height: 290px;
    background-image: url(../home.img/QQ图片20230227191236.png);
    background-position: center;
    background-size: cover;
    margin-bottom: 200px;
}